Complete footage of Naomi Osaka's news conference in Yokohama on Sept. 13, days after her victory at the U.S. Open.

YOKOHAMA--Naomi Osaka, the first Japanese tennis player to win a Grand Slam singles event, is now aiming to become the first Japanese gold medalist in the sport at the 2020 Tokyo Summer Olympics.

Osaka, 20, held a news conference at a Yokohama hotel on Sept. 13 after arriving in Japan from the United States in the morning.

“I really appreciate all the support,” she said, acknowledging the throngs of media representatives who crowded the venue.

Osaka rose to stardom in Japan after she upset Serena Williams in straight sets to win the U.S. Open on Sept. 9.

Osaka said she expects to represent Japan at the Tokyo Games.

“Of course I am very excited and I know everyone is very excited that the Olympics are going to be held in Tokyo,” she said. “I feel like it’s every athlete’s dream to play in the Olympics, so I am looking forward to that a lot.

“I feel like if you play, then of course you would want to go for gold, so that would be my goal, too.”